Boston (BOS) to Seattle / Tacoma (SEA) flight deal from $154 USD in economy class – flightdeals.net

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Delta Air Lines

DLDelta Air Lines

One Way•Economy

Logan International Airport

Boston, United States

Seattle–Tacoma International Airport

Seattle / Tacoma, United States

$207 USD

-26%$154 USD

Verified Dec 1, 2025 at 3:47 AM

January 2026

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29$559 30$459 31$279 1$279 2$379 3$379 4$189 5$229 6$154 7$154 8$154 9$154 10$154 11$154 12$154 13$154 14$154 15$154 16$154 17$154 18$154 19$229 20$154 21$154 22$154 23$154 24$154 25$154 26$154 27$154 28$154 29$154 30$154 31$154 1

Good Availability

59% of dates checked are available within 10% of the lowest price

Monday, January 12th, 2026

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